90942808349 has 8 divisors (see below), whose sum is σ = 93883711488. Its totient is φ = 88002359280.

The previous prime is 90942808339. The next prime is 90942808351. The reversal of 90942808349 is 94380824909.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90942808349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90942808294 and 90942808303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90942808309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319844 + ... + 533090.

It is an arithmetic number, because the mean of its divisors is an integer number (11735463936).

Almost surely, 2^90942808349 is an apocalyptic number.

It is an amenable number.

90942808349 is a deficient number, since it is larger than the sum of its proper divisors (2940903139).

90942808349 is a wasteful number, since it uses less digits than its factorization.

90942808349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227035.

The product of its (nonzero) digits is 4478976, while the sum is 56.

The spelling of 90942808349 in words is "ninety billion, nine hundred forty-two million, eight hundred eight thousand, three hundred forty-nine".